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Finding the Fourth Proportional to 1,088.69, 1,632.47 and 358.16

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Solution

The fourth proportional to 1,088.69, 1,632.47 and 358.16 is: 537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.69 : 1,632.47 = 358.16 : x
  2. Step 2: Convert to fraction form
    1,088.69/1,632.47 = 358.16/x
  3. Step 3: Cross multiply
    1,088.69x = 1,632.47 × 358.16
  4. Step 4: Simplify right side
    1,088.69x = 584,687.75
  5. Step 5: Solve for x
    x = 584,687.75/1,088.69
  6. Step 6: Final answer
    x = 537.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.